CONSOLIDATED BALANCE SHEETS (Parenthetical) (unaudited) - $ / shares	Jun. 30, 2016	Dec. 31, 2015
CONSOLIDATED BALANCE SHEETS
Preferred stock, shares authorized	300,000	300,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	2,993,851	2,989,205
Common stock, shares outstanding	2,993,851	2,989,205